21.47 miles per hour.
100 meters/9 seconds = 40 kilometers per hour = 24.85 miles per hour (rounded)
402 meters in 4 minutes 47 seconds = 3.13 miles per hour.
(100 meters/16 seconds) x (3,600 seconds/hour) x (1 mile/1,609.344 meters) = 13.981 mph(rounded)
Speed = (distance)/(time) = exactly 100 meters per 11.2 seconds. In other, more familiar units: -- 32.143 kilometers per hour -- 19.97 miles per hour
400 meters in 43.18 seconds equates to an average speed of 20.72 miles per hour.
100 meters/9 seconds = 40 kilometers per hour = 24.85 miles per hour (rounded)
200 meters in 26.6 seconds is an average speed of 16.82 miles per hour.
Running 100 meters in 12.5 seconds is equivalent to running at a speed of 22.4 miles per hour.
402 meters in 4 minutes 47 seconds = 3.13 miles per hour.
200 meters in 27.6 seconds equates to 16.21 miles per hour.
Your average speed is about 11 miles per hour.
200 meters in 36 seconds is equivalent to a speed of approximately 18.18 miles per hour.
(100 meters/16 seconds) x (3,600 seconds/hour) x (1 mile/1,609.344 meters) = 13.981 mph(rounded)
12 miles per hour-seconds = 5.364 meters per second2
Speed = (distance)/(time) = exactly 100 meters per 11.2 seconds. In other, more familiar units: -- 32.143 kilometers per hour -- 19.97 miles per hour
(40 meters) per (ten seconds) is 8.94774517 miles per hour
100 meters/15.2 seconds 100 meters = 0.0621371192 miles 15.2 seconds = 0.00422222222 hours 100 m/15.2s = 14.7166861 mph average